How do you tell if a file has been altered?

How do you tell if a file has been altered?

4 Answers. If you want to detect whether a file has been modified through normal means (editing it in some application, checking out a new version from a revision control systems, rebuilding it, etc.), check whether its modification time (mtime) has changed from the last check. That’s what stat -c %Y reports.

How do you tell who modified a file last?

How to check who last modified a file in Windows?

1. Start → Administrative tools → Local security policy snap-in.
2. Expand Local policy → Audit policy.
3. Go to Audit object access.
4. Select Success/Failure (as needed).
5. Confirm your selections and click ok.

How to check if a file name matches a wildcard pattern?

Put ^ at the beginning of the pattern to match the beginning of the string, and $ at the end to match the end of the string. Now you can use the Regex.IsMatch method to check if a file name matches the pattern.

How to test if filename matches pattern in Python?

Test whether filename matches pattern, returning True or False; the comparison is case-sensitive and does not apply os.path.normcase (). Construct a list from those elements of the iterable names that match pattern. It is the same as [n for n in names if fnmatch (n, pattern)], but implemented more efficiently.

How to check if a given string is a legal / valid file name under Windows?

Once you know that, you should also check for different formats, eg c:\\my\\drive and \\\\server\\share\\dir\\file.ext Try to use it, and trap for the error. The allowed set may change across file systems, or across different versions of Windows. In other words, if you want know if Windows likes the name, hand it the name and let it tell you.

Is the filename separator special to fnmatch?

Note that the filename separator ( ‘/’ on Unix) is not special to this module. See module glob for pathname expansion ( glob uses filter () to match pathname segments). Similarly, filenames starting with a period are not special for this module, and are matched by the * and ? patterns.